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单词 sardonyx
释义

WordReference Random House Unabridged Dictionary of American English © 2024
sar•don•yx  (sär don′iks, sär′dn-),USA pronunciation n. 
  1. Mineralogy, Jewelrya chalcedony that is used for cameos and has sard and chalcedony of another color, usually white, arranged in straight parallel bands.
  • Greek sardónyx; see sard, onyx
  • Latin
  • Middle English 1300–50

Collins Concise English Dictionary © HarperCollins Publishers::
sardonyx /ˈsɑːdənɪks/ n
  1. a variety of chalcedony with alternating reddish-brown and white parallel bands, used as a gemstone. Formula: SiO2
Etymology: 14th Century: via Latin from Greek sardonux, perhaps from sardion sardine² + onux nail
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更新时间：2025/7/23 16:51:11